[MacPorts] #69551: libsdl2_image error with gcc: error: attributes should be specified before the declarator in a function definition

[MacPorts]

#69551: libsdl2_image error with gcc: error: attributes should be specified before
the declarator in a function definition
----------------------------+-----------------------------------------
  Reporter:  barracuda156   |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.9.1
Resolution:                 |   Keywords:  tiger, leopard, snowleopard
      Port:  libsdl2_image  |
----------------------------+-----------------------------------------

Comment (by kencu):

 it looks like optnone is not an attribute accepted by gcc.

 there is a different specifier used

 {{{
 __attribute__((optimize("O0"))
 }}}

 the exact location where this can be placed in the function definition is
 also a bit of reading, eg

 https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html

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Ticket URL: <https://trac.macports.org/ticket/69551#comment:6>
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